Term
| What are 4 facts about wheat? |
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Definition
Cool season crop (3 min, 25 opt.)
Broad adaptation
Grown from sea level to 3000 masl
Production is concentrated between 30-60N and 27-40S
(highest elevations are in the tropics and sub-tropics) |
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Term
| When does most global harvest of wheat occur? |
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Definition
From April to September
Need 250-1750 mm of rain |
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Term
| What amino acid is wheat deficient in? |
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Definition
Lysine
Cobmine with animal or legume protein |
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Term
| What are some uses for Wheat? |
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Definition
Feed
Poultry production
Milling
Ethanol and bio-fuel |
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Term
| Rice, Wheat or Corn: which is produced the most? |
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Definition
| Corn (then wheat and rice) |
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Term
| Where in Canada is spring and winter wheat grown? |
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Definition
Spring - Alberta, Saskatchewan and Manitoba
Winter - Ontario |
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Term
| Where is spring and winter wheat grown in Europe? |
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Definition
Spring - Finland, Kazkhastan and Russia
Winter - UK, France, Ukraine and Turkey |
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Term
| Which country, worldwide, produces the most wheat? |
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Definition
China
2. India
3. USA
4. France
5. Russia |
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Term
| What is the scientific name of wheat? |
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Definition
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Term
| Explain the components of the root and shoot of a wheat plant |
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Definition
Shoot
- Several axillary leafy culms (tillers)
- Each tiller has 5-7 nodes
- Upper leaf is the flag leaf
- Each tiller produces an inflorescence (spike)
Root
- Branching roots that re-branch to form several order of roots |
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Term
What is the difference between a node and internode?
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Definition
Node = part of plant stem where leaves come from
Internode = part of a plant stem between 2 nodes |
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Term
Define the following for a wheat plant:
Spikelet
Rachis
Glume
Stamen
Stigma
Floret
Rachilla
Anther
Lodicules
Carpel |
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Definition
Spikelet = sub-unit of the ear with several florets
Rachis = thin axis where spikelets are located
Glume = membranous bract at the base of cereal spike
Stamen = produced pollen grains
Stigma = gandular sticky surface at tip of carpel (receives pollen)
Floret = the flower (includes lemma and palea)
Rachilla = spikelet axis
Anther = terminal part of stamen with 4 pollen sacs
Lodicules = 2 small structures below ovary. At flowering, they swell and force open the enclosing bracts
Carpel = female part of flower (includes ovary and 2 branch feathery stigma) |
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